com.helger.commons.compare

Class ReverseComparator<T>

java.lang.Object

com.helger.commons.compare.ReverseComparator<T>

Type Parameters:

T - Data type to compare

All Implemented Interfaces:

ISerializableComparator<T>, Serializable, Comparator<T>

public class ReverseComparator<T>
extends Object
implements ISerializableComparator<T>

A special comparator that reverses another comparator

Author:

Philip Helger

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ReverseComparator(Comparator<T> aComparator)

Method Summary

Modifier and Type	Method and Description
int	compare(T aObj1, T aObj2)
static <U> ReverseComparator<U>	create(Comparator<U> aComparator)
Comparator<T>	getOriginalComparator()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

ReverseComparator

public ReverseComparator(@Nonnull
                         Comparator<T> aComparator)

Method Detail

getOriginalComparator

@Nonnull
public Comparator<T> getOriginalComparator()

Returns:

The original comparator as passed in the constructor.

compare

public int compare(T aObj1,
                   T aObj2)

Specified by:

compare in interface Comparator<T>

toString

public String toString()

Overrides:

toString in class Object

create

@Nonnull
public static <U> ReverseComparator<U> create(@Nonnull
                                                        Comparator<U> aComparator)